2140343164 has 6 divisors (see below), whose sum is σ = 3745600544. Its totient is φ = 1070171580.

The previous prime is 2140343159. The next prime is 2140343167. The reversal of 2140343164 is 4613430412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140343167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267542892 + ... + 267542899.

Almost surely, 2^2140343164 is an apocalyptic number.

It is an amenable number.

2140343164 is a deficient number, since it is larger than the sum of its proper divisors (1605257380).

2140343164 is a wasteful number, since it uses less digits than its factorization.

2140343164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535085795 (or 535085793 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2140343164 is about 46263.8429445717. The cubic root of 2140343164 is about 1288.7276206812.

Adding to 2140343164 its reverse (4613430412), we get a palindrome (6753773576).

The spelling of 2140343164 in words is "two billion, one hundred forty million, three hundred forty-three thousand, one hundred sixty-four".